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At a biotech lab, the migration lead must increase a voice phone port power budget after several devices report power denied, with Ethernet data functioning normally. During review, someone proposes: "Increase the OSPF hello timer." Which technical explanation most directly shows why this proposal does not solve the requirement?
OSPF timers are for routed neighbor formation, not Ethernet power. The effective remedy is to check per-port PoE draw and the switch power budget before changing switch power provisioning.
BPDU guard is Layer 2 loop protection rather than device power allocation. It concerns a different proposed change, not the change being evaluated.
DNS suffixes do not raise the electrical PoE budget. The statement addresses a different mechanism. Here the engineer specifically proposed increase the ospf hello timer; the decisive limitation is that oSPF timers are for routed neighbor formation, not Ethernet power.
Power denial with intact data forwarding is a PoE allocation or class problem. This observation would apply to another device or feature, not the proposed increase the ospf hello timer. For this scenario, oSPF timers are for routed neighbor formation, not Ethernet power is the direct cause.
At a school district, the infrastructure lead wants access switches directly attached to a redundant collapsed core/distribution pair in a medium-sized building. Which choice best addresses the stated requirement?
The collapsed core combines distribution and core roles above access switching.
A hub is not a redundant layered campus architecture.
A leaf-spine fabric targets east-west server scale, not a required campus access hierarchy.
An extra tier is not inherent to a collapsed-core design.
At a research campus, an implementation partner runs many campus buildings and needs independent access, distribution policy aggregation and resilient backbone transport. Which choice best addresses the stated requirement?
A three-tier campus separates endpoint access, aggregation/policy, and fast campus backbone forwarding.
SOHO equipment is not equivalent to campus-scale policy and core separation.
A flat edge is not a structured resilient backbone.
WAN attachment does not replace internal campus layers.
At an engineering company, a network administrator hosts many racks of east-west application servers and requires consistent leaf-to-leaf path capacity via spines. Which choice best addresses the stated requirement?
Spine-leaf creates predictable east-west paths through a common spine layer.
Wireless access does not replace a wired spine fabric.
Daisy chaining introduces variable paths and failure dependencies.
VLAN membership alone cannot deliver the requested leaf-to-leaf topology.
At a design agency, a network administrator must connect geographically separated branches over carrier services while preserving distinct local Ethernet LANs. Which choice best addresses the stated requirement?
A WAN provides geographically dispersed intersite transport; each site retains a LAN.
Passive splitters do not provide carrier IP routing.
That ignores geographical transport and scaling constraints.
A single stretched Layer 2 segment increases broadcast and failure scope rather than meeting the requirement for routed separation at branch WAN edges.
At a design agency, the site engineer has ten staff, one internet circuit, and modest LAN/Wi-Fi needs with no enterprise campus backbone. Which choice best addresses the stated requirement?
SOHO architecture consolidates edge connectivity and local switching for a small site.
A server fabric is disproportionate to modest SOHO access.
A huge campus hierarchy does not match the stated footprint.
A VLAN identifies a local broadcast domain, not an ISP circuit.
At a regional hospital, an implementation partner has a local data center and cloud-hosted application endpoints connected through private or encrypted transport. Which choice best addresses the stated requirement?
Hybrid architecture spans separately operated on-prem and cloud environments.
Local VLAN membership does not automatically extend across provider boundaries.
Removing reachability does not implement a hybrid workload.
Roaming concerns client radios and not private cloud paths.
At a warehouse, the campus network lead wants to avoid one leaf becoming a bottleneck for inter-rack traffic after a fabric expansion. Which choice best addresses the stated requirement?
Multiple spine paths distribute east-west traffic and limit individual fabric link failures.
VLAN expansion cannot compensate for an oversubscribed spine path; the fabric requires sufficient routed uplink capacity and redundant equal-cost paths.
A VLAN does not create extra inter-rack capacity.
That worsens fault tolerance and the available path count.
At a design agency, the site engineer requires a separate high-speed core to serve multiple distribution blocks without exposing access features in the backbone. Which choice best addresses the stated requirement?
In a three-tier campus, distribution provides policy aggregation and the core gives fast inter-block forwarding.
An access-only chassis concentrates uplinks and access features instead of preserving an independent high-speed, resilient transit core.
Unmanaged edge switching cannot replace redundant campus backbone functions.
Endpoint access policy belongs on access/distribution, not the core.
At a clinic, the on-call technician needs a documented boundary between ISP-facing connectivity and an internal employee LAN in a small office. Which choice best addresses the stated requirement?
An edge device can terminate ISP transport while routing or filtering into an internal LAN.
Unfiltered bridging is not an intentional security boundary.
Directly bridging the untrusted handoff into the LAN defeats the required separation between provider-facing and internal interfaces.
That conflates the provider handoff with the protected local subnet.
At a field-service firm, the branch support lead must identify whether users access an application at a local rack or a hosted service in a public cloud. Which choice best addresses the stated requirement?
Cloud and on-prem refer to hosting location and operational boundaries, not whether a client uses Ethernet or Wi-Fi.
Virtualization can run in both local and cloud environments.
Wireless describes local access media, not server hosting location.
TLS protects transport without revealing where the service is hosted.
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